|stem=Resembles a large, thick, black slug. Covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odor akin to that of petrol.

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|stem=Resembles a large, thick, black slug. Covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odour akin to that of petrol.

|leaves=

|leaves=

|flowers=

|flowers=

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{{Dialogue a-b-a|Professor Sprout|Bubotubers. They need squeezing. You will collect the pus-|Seamus Finnigan|The what?|Pus, Finnigan, pus.|[[Pomona Sprout]] and [[Seamus Finnigan]] in [[1994]]|Harry Potter and the Goblet of Fire}}

{{Dialogue a-b-a|Professor Sprout|Bubotubers. They need squeezing. You will collect the pus-|Seamus Finnigan|The what?|Pus, Finnigan, pus.|[[Pomona Sprout]] and [[Seamus Finnigan]] in [[1994]]|Harry Potter and the Goblet of Fire}}

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A '''bubotuber''' is a type of [[magic]]al plant, the visible part of which is said to resemble a large, thick, black slug.

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A '''Bubotuber''' is a type of [[magic]]al plant, the visible part of which is said to resemble a large, thick, black slug.

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This portion of the plant also squirms of its own volition. The surface of a bubotuber is covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odour akin to that of gasoline/petrol.

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This portion of the plant also squirms of its own volition. The surface of a bubotuber is covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odour akin to that of gasoline/petrol. It is unknown where the plant originates from, but is kept at the [[Hogwarts Greenhouses]].

[[Bubotuber pus]] acts as a treatment for severe acne, but undiluted pus can affect unprotected skin in unintended ways. This suggests that bubotuber pus is a topical treatment, but that the actual salve consists of the pus either diluted in a solution or mixed with other ingredients.

[[Bubotuber pus]] acts as a treatment for severe acne, but undiluted pus can affect unprotected skin in unintended ways. This suggests that bubotuber pus is a topical treatment, but that the actual salve consists of the pus either diluted in a solution or mixed with other ingredients.

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Bubotubers are discussed in [[Fourth year]] [[Herbology]] classes. Also in her fourth year, [[Hermione Granger]] was sent a letter full of bubotuber pus by an unknown person who evidently believed the slanderous [[Rita Skeeter]] article that claimed that Hermione was toying with the affections of both [[Harry Potter]] and [[Viktor Krum]].

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Bubotubers are discussed in [[Fourth year]] [[Herbology]] classes. Also in her fourth year, [[Hermione Granger]] was sent a [[Witch Weekly readers' hate mail to Hermione Granger|letter]] full of bubotuber pus by an unknown person who evidently believed the slanderous [[Rita Skeeter]] article that claimed that Hermione was toying with the affections of both [[Harry Potter]] and [[Viktor Krum]].

[[File:Carpe.jpg|thumb|right|250px|Harry using Carpe Retractum against a bubotuber]]

[[File:Carpe.jpg|thumb|right|250px|Harry using Carpe Retractum against a bubotuber]]

A Bubotuber is a type of magical plant, the visible part of which is said to resemble a large, thick, black slug.
This portion of the plant also squirms of its own volition. The surface of a bubotuber is covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odour akin to that of gasoline/petrol. It is unknown where the plant originates from, but is kept at the Hogwarts Greenhouses.

Bubotuber pus acts as a treatment for severe acne, but undiluted pus can affect unprotected skin in unintended ways. This suggests that bubotuber pus is a topical treatment, but that the actual salve consists of the pus either diluted in a solution or mixed with other ingredients.